Land Rover Repair: 95 Disco Water Pump, viscous coupling, coolant pump

Question
Hi John
thanks for all the great advice.
just wondering if there's a secret to getting the fan off of the water pump prior to putting a new pump on.  I've had to do it the hard way and remove the pump and fan as a unit but now I still can't get the fan off.  Any hints?

Thanks
Richard

Answer
Hi Richard,

the trick to removing the fan is to lock fan blades carefully before removing the bolt.  The centre bolt is not that tight so it should be easy to remove.

Here's what LR has to say:

1. Disconnect negative cable lead.
2. Release 2 clips securing cooling fan upper cowl. Remove cowl.
3. Use LRT-12-093 to prevent coolant pump pulley from turning and using LRT-12-094, unscrew viscous coupling from water pump.
NOTE: Nut securing viscous unit to water pump has a right hand thread. Release by turning anti-clockwise when viewed from front of viscous unit.
4. Remove fan and coupling assembly.

Do not carry out further dismantling if component is removed for access only.

NOTE: Mark fan with reference to assist refitting.

5. Remove 4 Allen screws securing blades to coupling. Remove coupling.
6. Remove serpentine drive belt.
7. Remove pulley fixings, remove pulley.

Refit

8. Clean fan blades and mating faces.
9. Fit fan blades to coupling. Secure with screws. Tighten to 24 Nm.
10. Using LRT-12-093 and LRT-12-094, fit fan assembly to pump. Tighten to 56 Nm.
11. Fit cooling fan upper cowl. Secure with clips.
12. 4.0 V8 only:Fit coolant hose to cooling fan upper cowl.
13. Fit serpentine drive belt.
14. Fit pulley fixings, remove pulley.
15. Reconnect battery negative lead.

When installing fan bolt, I usually give it a quick and sudden turn of the wrench.  Not too hard...just enough to start bolt in a lock position.  Once the fan starts turning it should lock up even tighter.

Be careful with those blades...they are fragile (I broke one last summer!).

Best of luck,

JohnMc